265442995960 has 32 divisors (see below), whose sum is σ = 632378903760. Its totient is φ = 99931480576.

The previous prime is 265442995957. The next prime is 265442995991. The reversal of 265442995960 is 69599244562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195177994 + ... + 195179353.

Almost surely, 2^265442995960 is an apocalyptic number.

265442995960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265442995960 is an abundant number, since it is smaller than the sum of its proper divisors (366935907800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265442995960 is a wasteful number, since it uses less digits than its factorization.

265442995960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390357375 (or 390357371 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 265442995960 in words is "two hundred sixty-five billion, four hundred forty-two million, nine hundred ninety-five thousand, nine hundred sixty".